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Something I have been doing a lot of work with recently are time series data, to which I have been fitting additive models to describe trends and other features of the data. When modelling temporally dependent data, we often need … Continue reading →

Kevin Goulding is working on a Master’s degree in Applied Economics at Montana State University, and offers 10 reasons why grad students should choose R for statistical analyses, homework problems, and thesis research: R is free, and lets grad students escape the burdens of commercial license costs. R has really good online documentation; and the community is unparalleled. The...

Sanjog Misra, who
uses Rcpp for
Monte Carlo Markov Chain (MCMC) analyses in quantitative marketing, kindly set me a
short example of Rcpp use.
The example is based on a
blog post by Darren Wilkinson
which itself discusses and compares the suitabilit...

“We have seen that a perfect correlation is perfectly linear, so an imperfect correlation will be `imperfectly linear’.” page 128 This book has been written by two linguists, Shravan Vasishth and Michael Broe, in order to teach statistics “in areas that are traditionally not mathematically demanding” at a deeper level than traditional textbooks “without using

I recently read Ewan Birney's blog post, which I found echoed a lot of my own thoughts about the use of statistical in computational biology. I thought I would compile my own similar list but for bioinformatics / computational biology in general. I have not been and in the field as long as Ewan and I certainly still...

In short: R is a free intuitive programming language that is used by practitioners in a plethora of academic disciplines. Therefore, it is on the cutting edge, and expanding rapidly. It creates stunning visuals, works seamlessly together with LaTeX, has really good online documentation and the community is unparalleled. A week...

In conjunction with the normal-Laplace comparison mentioned in the most recent post about our lack of confidence in ABC model choice, we have been working on the derivation of the exact Bayes factor and I derived an easy formula for the marginal likelihood in the Laplace case that boils down to a weighted sum of

This is a guest post by Kyle Stokley. ————— My name is Kyle and I am an IT recruiter for R-Square. I currently have an opening in Durham NC with a fortune 100 company based out of NJ for a Statistician with R-Programming Experience. Job Title: Statistician Qualifications: MS or PhD in statistics with 0-10 years work experience. R...

This fall, I’ll be teaching a second-year course on Probability with Computer Applications, which is required for Computer Science majors. I’ve taught this before, but that was five years ago, so I’ve been looking to see what new textbooks would be suitable. The course aims not just to use computer science applications as examples, but

The version 0.24 of solaR is at CRAN and R-Forge. Some days before the 0.23 version was uploaded, but I had to make a quick fix to readMAPA: the url of http://www.mapa.es/siar has been changed to http://www.marm.es/siar. Moreover, this function has been renamed to readSIAR, although it is still available as readMAPA. Consequently the mode